S
M
T
W
T
F
S
30
87°
62°
31
88°
65°
1
88°
66°
2
90°
60°
3
87°
60°
4
85°
61°
5
87°
66°
6
89°
67°
7
92°
66°
8
92°
61°
9
89°
61°
10
90°
65°
11
93°
60°
12
85°
63°
13
93°
63°
14
89°
62°
15
90°
65°
16
91°
61°
17
88°
62°
18
87°
57°
19
83°
60°
20
86°
63°
21
90°
61°
22
89°
62°
23
89°
60°
24
86°
60°
25
87°
59°
26
86°
62°
27
87°
60°
28
88°
60°
29
87°
59°
30
82°
59°
1
79°
58°
2
82°
51°
3
87°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roswell
Roswell's September 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 51° and 67°. The average high for September is 88° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Roswell. See also: October | November | December.
